| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | France | 7 | |
| #3 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Materials and metallurgy | |
| #3 | Foods and drinks | |
| #4 | Electrical machinery and energy | |
| #5 | Basic materials chemistry | |
| #6 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Making metal sheets | |
| #2 | Rolling metal | |
| #3 | Casting metal | |
| #4 | Dairy products | |
| #5 | Electric motor controls | |
| #6 | Pasteurisation | |
| #7 | Making forged metal products | |
| #8 | Liquid hydrocarbon mixture production | |
| #9 | Separation | |
| #10 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tschudnowsky Jean Roger | 5 |
| #2 | Tschudnowsky Jean-Roger | 4 |
| #3 | Petrequin Pierre Emile | 1 |
| #4 | Petrequin Pierre-Emile | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE911967C | Press for sheathing cables | |
| DE879250C | Furnace and system for the continuous annealing of metal strips | |
| DE829038C | Lubricant for tools in metal extrusion presses | |
| GB626640A | Hydraulic device for applying gradual tension to products on a drawing machine | |
| GB627697A | Process for manufacturing hollow bodies, in particular projectile cases |